Magnetic field enhanced denitrification efficiency of immobilized bacterial particles | Zendy

Liangang Hou | Zendy; Yang Liu | Zendy; Sa Fan | Zendy; Jun Li | Zendy

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Magnetic field enhanced denitrification efficiency of immobilized bacterial particles

Author(s) -

Liangang Hou,

Yang Liu,

Sa Fan,

Jun Li

Publication year - 2020

Publication title -

water science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.406

H-Index - 137

eISSN - 1996-9732

pISSN - 0273-1223

DOI - 10.2166/wst.2020.156

Subject(s) - denitrifying bacteria , denitrification , bacteria , chemistry , magnetic nanoparticles , wastewater , environmental engineering , sewage treatment , pulp and paper industry , environmental chemistry , environmental science , materials science , nitrogen , biology , nanotechnology , nanoparticle , organic chemistry , engineering , genetics

The effect of the magnetic field on denitrification process in immobilized bacteria particles was investigated in this study. The magnetic field could enhance the denitrification efficiency, especially for wastewater with low C/N ratios, and the average removal efficiencies of NO 3 - -N increased by 6.58%. High-throughput sequencing analysis revealed that the magnetic field had substantial impacts on the stability of microbial community structure and relative abundance in immobilized bacteria particles, which was beneficial for the stability of denitrifying bacteria. Through the research in this paper, we suggest that magnetic field can be used to improve the denitrification performance of immobilized bacteria particles in the wastewater treatment industry.

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